What business of the future are we missing today?

Most of us came late to domaining and only started investing after all the great names were gone. Not only that, but most of us did not realize domaining was going to become the multi-million dollar business it is now.

Most of us came late to cryptocurrency and did not know bitcoin was a promising investment when it costed pennies. Now you need a lot of money to acquire bitcoins.

What other great business of the future are we missing now? Is there anything, like domaining and cryptocurrency on which we should be investing now, because it will explode in the future?

We are already well into it but peer provided services will continue to grow. Now we use them primarily for vacation rentals, rides, some freelance tasks. Co-sharing office spaces already big will be more, popup marketing promotion, moving every manner of thing, freelance specialist of every type, etc.